CVE-2026-11623
MEDIUM SEVERITYCVSS Score & Metrics
Base Score
4.5 / 10
Vector String
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Vulnerability Description
A security vulnerability has been detected in tmux up to 3.6a. Affected is the function image_free of the file image.c. Such manipulation leads to use after free. Local access is required to approach this attack. This attack is characterized by high complexity. The exploitability is told to be difficult. The exploit has been disclosed publicly and may be used. Upgrading to version 3.7-rc is able to address this issue. The name of the patch is fc6d94a9f8a593bd8b7031650802084385d4ee03. The affected component should be upgraded.
Vulnerability Details
Published Date
Last Modified
CWE ID
CWE-119
Source
NVD
Product
tmux
External References
- https://gist.github.com/XlabAITeam/f0d9952595f795129a3258ba73bbc3cb
- https://github.com/tmux/tmux/
- https://github.com/tmux/tmux/commit/fc6d94a9f8a593bd8b7031650802084385d4ee03
- https://github.com/tmux/tmux/releases/tag/3.7-rc
- https://vuldb.com/cve/CVE-2026-11623
- https://vuldb.com/submit/835623
- https://vuldb.com/vuln/369303
- https://vuldb.com/vuln/369303/cti
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